@article{KYB_1977__13_1_a3,
     author = {Mare\v{s}, Milan},
     title = {On fuzzy-quantities with real and integer values},
     journal = {Kybernetika},
     pages = {--56},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {1977},
     mrnumber = {0453406},
     zbl = {0363.94007},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/KYB_1977__13_1_a3/}
}